@class AVKeyPathDependencyManager, AVWeakReference, AVAssetWriterHelper, NSObject; @protocol OS_dispatch_queue, AVAssetWriterFinishWritingDelegate; @interface AVAssetWriterInternal : NSObject { AVWeakReference *weakReference; AVAssetWriterHelper *helper; NSObject<OS_dispatch_queue> *helperReadWriteQueue; AVKeyPathDependencyManager *keyPathDependencyManager; id<AVAssetWriterFinishWritingDelegate> finishWritingDelegate; } - (void).cxx_destruct; @end